126555455 has 16 divisors (see below), whose sum is σ = 164221344. Its totient is φ = 93072000.

The previous prime is 126555437. The next prime is 126555487. The reversal of 126555455 is 554555621.

It is not a de Polignac number, because 126555455 - 2¹⁶ = 126489919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12437 + ... + 20193.

It is an arithmetic number, because the mean of its divisors is an integer number (10263834).

Almost surely, 2^126555455 is an apocalyptic number.

126555455 is a deficient number, since it is larger than the sum of its proper divisors (37665889).

126555455 is a wasteful number, since it uses less digits than its factorization.

126555455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8026.

The product of its digits is 150000, while the sum is 38.

The square root of 126555455 is about 11249.6868845315. The cubic root of 126555455 is about 502.0653965268.

The spelling of 126555455 in words is "one hundred twenty-six million, five hundred fifty-five thousand, four hundred fifty-five".